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53542447925 = 5219112720943
BaseRepresentation
bin110001110111011000…
…001110101100110101
312010012110120011121212
4301313120032230311
51334123331313200
640332544251205
73603555204161
oct616730165465
9163173504555
1053542447925
112078635266a
12a463310b05
13508394c165
14283cdbbca1
1515d5889035
hexc7760eb35

53542447925 has 12 divisors (see below), whose sum is σ = 69886985280. Its totient is φ = 40579539120.

The previous prime is 53542447853. The next prime is 53542447927. The reversal of 53542447925 is 52974424535.

It is not a de Polignac number, because 53542447925 - 210 = 53542446901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53542447927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56359997 + ... + 56360946.

It is an arithmetic number, because the mean of its divisors is an integer number (5823915440).

Almost surely, 253542447925 is an apocalyptic number.

It is an amenable number.

53542447925 is a deficient number, since it is larger than the sum of its proper divisors (16344537355).

53542447925 is a wasteful number, since it uses less digits than its factorization.

53542447925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112720972 (or 112720967 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 50.

The spelling of 53542447925 in words is "fifty-three billion, five hundred forty-two million, four hundred forty-seven thousand, nine hundred twenty-five".

Divisors: 1 5 19 25 95 475 112720943 563604715 2141697917 2818023575 10708489585 53542447925