55353901642 has 32 divisors (see below), whose sum is σ = 91893844224. Its totient is φ = 24844540800.

The previous prime is 55353901633. The next prime is 55353901643. The reversal of 55353901642 is 24610935355.

It is not an unprimeable number, because it can be changed into a prime (55353901643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248043 + ... + 415009.

It is an arithmetic number, because the mean of its divisors is an integer number (2871682632).

Almost surely, 2^55353901642 is an apocalyptic number.

55353901642 is a deficient number, since it is larger than the sum of its proper divisors (36539942582).

55353901642 is a wasteful number, since it uses less digits than its factorization.

55353901642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167334.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 55353901642 in words is "fifty-five billion, three hundred fifty-three million, nine hundred one thousand, six hundred forty-two".