126553054 has 4 divisors (see below), whose sum is σ = 189829584. Its totient is φ = 63276526.

The previous prime is 126553051. The next prime is 126553069. The reversal of 126553054 is 450355621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450355621 = 331 ⋅1360591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126553051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31638262 + ... + 31638265.

It is an arithmetic number, because the mean of its divisors is an integer number (47457396).

Almost surely, 2^126553054 is an apocalyptic number.

126553054 is a deficient number, since it is larger than the sum of its proper divisors (63276530).

126553054 is an equidigital number, since it uses as much as digits as its factorization.

126553054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63276529.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 126553054 is about 11249.5801699441. The cubic root of 126553054 is about 502.0622214585.

The spelling of 126553054 in words is "one hundred twenty-six million, five hundred fifty-three thousand, fifty-four".