55396070 has 16 divisors (see below), whose sum is σ = 102930048. Its totient is φ = 21443520.

The previous prime is 55396063. The next prime is 55396073. The reversal of 55396070 is 7069355.

It is a self number, because there is not a number n which added to its sum of digits gives 55396070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55396073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89039 + ... + 89658.

It is an arithmetic number, because the mean of its divisors is an integer number (6433128).

Almost surely, 2^55396070 is an apocalyptic number.

55396070 is a deficient number, since it is larger than the sum of its proper divisors (47533978).

55396070 is a wasteful number, since it uses less digits than its factorization.

55396070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178735.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 55396070 is about 7442.8536194124. The cubic root of 55396070 is about 381.2059334538.

The spelling of 55396070 in words is "fifty-five million, three hundred ninety-six thousand, seventy".